1 files changed, 1 insertions, 10 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 3bc48b0bd3a9..839b21b0699a 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -200,10 +200,6 @@ and is between 256 and 4096 characters. It is defined in the file
                         acpi_display_output=video
                         See above.
 
-        acpi_early_pdc_eval     [HW,ACPI] Evaluate processor _PDC methods
-                                early. Needed on some platforms to properly
-                                initialize the EC.
-
         acpi_irq_balance [HW,ACPI]
                         ACPI will balance active IRQs
                         default in APIC mode
@@ -324,11 +320,6 @@ and is between 256 and 4096 characters. It is defined in the file
         amd_iommu=      [HW,X86-84]
                         Pass parameters to the AMD IOMMU driver in the system.
                         Possible values are:
-                        isolate - enable device isolation (each device, as far
-                                  as possible, will get its own protection
-                                  domain) [default]
-                        share - put every device behind one IOMMU into the
-                                same protection domain
                         fullflush - enable flushing of IO/TLB entries when
                                     they are unmapped. Otherwise they are
                                     flushed before they will be reused, which
@@ -1203,7 +1194,7 @@ and is between 256 and 4096 characters. It is defined in the file
 
         libata.force=   [LIBATA] Force configurations.  The format is comma
                         separated list of "[ID:]VAL" where ID is
-                        PORT[:DEVICE].  PORT and DEVICE are decimal numbers
+                        PORT[.DEVICE].  PORT and DEVICE are decimal numbers
                         matching port, link or device.  Basically, it matches
                         the ATA ID string printed on console by libata.  If
                         the whole ID part is omitted, the last PORT and DEVICE